<template>
  <div class="playlists-container">
    <!-- 同步 -->
    <div class="top-card">
      <div class="icon-wrap">
        <img :src="topList.coverImgUrl" alt="" />
      </div>
      <div class="content-wrap">
        <div class="tag">精品歌单</div>
        <div class="title">
          {{topList.name}}
        </div>
        <div class="info">
          {{topList.description}}
        </div>
      </div>
      <img :src="topList.coverImgUrl" alt="" class="bg" />
      <div class="bg-mask"></div>
    </div>
    <div class="tab-container">
      <!-- tab栏 顶部 -->
      <div class="tab-bar">
        <span class="item" :class="{active:tag=='全部'}" @click="tag='全部'">全部</span>
        <span class="item" :class="{active:tag=='欧美'}" @click="tag='欧美'">欧美</span>
        <span class="item" :class="{active:tag=='华语'}" @click="tag='华语'">华语</span>
        <span class="item" :class="{active:tag=='流行'}" @click="tag='流行'">流行</span>
        <span class="item" :class="{active:tag=='说唱'}" @click="tag='说唱'">说唱</span>
        <span class="item" :class="{active:tag=='摇滚'}" @click="tag='摇滚'">摇滚</span>
        <span class="item" :class="{active:tag=='民谣'}" @click="tag='民谣'">民谣</span>
        <span class="item" :class="{active:tag=='电子'}" @click="tag='电子'">电子</span>
        <span class="item" :class="{active:tag=='轻音乐'}" @click="tag='轻音乐'">轻音乐</span>
        <span class="item" :class="{active:tag=='影视原声'}" @click="tag='影视原声'">影视原声</span>
        <span class="item" :class="{active:tag=='ACG'}" @click="tag='ACG'">ACG</span>
        <span class="item" :class="{active:tag=='怀旧'}" @click="tag='怀旧'">怀旧</span>
        <span class="item" :class="{active:tag=='治愈'}" @click="tag='治愈'">治愈</span>
        <span class="item" :class="{active:tag=='旅行'}" @click="tag='旅行'">旅行</span>
      </div>
      <!-- tab的内容区域 -->
      <div class="tab-content">
        <div class="items">
          <div class="item" @click="toPlaylist(list.id)" v-for="(list,index) in lists" :key="index">
            <div class="img-wrap">
              <div class="num-wrap">
                播放量:
                <span class="num">{{list.playCount}}</span>
              </div>
              <img v-lazy="list.coverImgUrl" alt="" />
              <span class="iconfont icon-play"></span>
            </div>
            <p class="name">{{list.name}}</p>
          </div>
        </div>
      </div>
    </div>
    <!-- 分页器 -->
    <!-- current-change页码改变事件 -->
    <el-pagination
      @current-change="handleCurrentChange"
      background
      layout="prev, pager, next"
      :total="total"
      :current-page="page"
      :page-size="20"
    >
    </el-pagination>
  </div>
</template>

<script>
import axios from 'axios'
export default {
  name: 'recommend',
  data() {
    return {
      // 总条数
      total:0,
      // 页码
      page:1,
      // 顶部的推荐歌单
      topList:{},
      lists:[],
      tag:'全部',
    };
  },
  // 监听tag的变化
  watch:{
    tag(){
     // 顶部的精品歌单
    this.topData()
    // 歌单列表
    this.listData()
    // 修改页码为1
    this.page = 1
    }
  },
  created() {
    // 顶部的精品歌单
    this.topData()
    // 歌单列表
    this.listData()
  },
  methods: {
    // 抽取的方法1 顶部的数据
    topData(){
       // 顶部的精品歌单
    axios({
        url:' https://autumnfish.cn/top/playlist/highquality',
        method:'get',
        params:{
          limit:1,
          cat:this.tag
        }
      }).then(res=>{
        // console.log(res);
        this.topList = res.data.playlists[0]
      })
    },
    // 抽取的方法2 列表数据
    listData(){
      // 歌单列表
     axios({
        url:'https://autumnfish.cn/top/playlist/',
        method:'get',
        params:{
          limit:10,
          offset:(this.page-1)*10,
          cat:this.tag
        }
      }).then(res=>{
        // console.log(res);
        // 保存总条数
        this.total = res.data.total
        this.lists = res.data.playlists
      })
    },
    handleCurrentChange(val) {
      console.log(`当前页: ${val}`);
      // 保存页码
      this.page = val
      // 重新获取数据
      this.listData()
    },
    toPlaylist(id){
      this.$router.push(`\playlist?name=${id}`)
    }
  },
};
</script>

<style >

</style>
